# E4 Flex vs The Clock

The clearest difference is rating: E4 Flex at 5.0 against The Clock's 3.0. E4 Flex also leads on in-app purchases (none vs 3) and iOS requirement (13.1 vs 15.0). The Clock's advantage is update cadence (monthly vs every 21 months). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. The Clock sells 3 in-app purchases, starting at $9.99 per 7 days. E4 Flex asks for nothing beyond the download.

E4 Flex holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

E4 Flex ships an update every 21 months, The Clock monthly. The most recent releases landed on September 16, 2026 and August 20, 2026 respectively.

## The numbers

| Metric | E4 Flex | The Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/e4-flex/id1593079643/reviews)** | [3.0 (1 ratings)](https://appshunter.io/ios/app/the-clock-alarm-clock-and-timer/id6504418374/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 21 months | **Monthly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 1 MB | 73 MB |
| Requires iOS | **13.1** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Paul Hamel](https://appshunter.io/developer/1593079645) | [JETKITE YAZILIM SANAYI VE TICARET A.S.](https://appshunter.io/developer/1718707717) |

## What reviewers say

### E4 Flex

[App page](https://appshunter.io/ios/app/e4-flex/id1593079643)

This app enables field technicians to connect to and manage E4 Flex readers via Bluetooth Low Energy. It allows for sending commands and receiving responses, facilitating configuration and testing of the readers.

**Highlights:** Connect to E4 Flex readers via BLE, Send commands to readers, Receive responses from readers, Configure E4 Flex readers, Test E4 Flex readers

**In-app purchases:** none


### The Clock

[App page](https://appshunter.io/ios/app/the-clock-alarm-clock-and-timer/id6504418374)

This app provides a reliable and user-friendly alarm clock with essential functions. Wake up gently to music, set future alarms, and customize your wake-up experience with features like volume crescendo and dismiss challenges. It also includes a world clock, timer, and stopwatch.

**Highlights:** Set and manage multiple alarms, Schedule future alarms, Volume crescendo for gentle wake-up, Dismiss challenges to prevent accidental deactivation, World clock for multiple time zones, Countdown timer and stopwatch with lap recording, Customizable themes and dark mode

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium Access | $9.99 | per 7 days |
| Monthly Premium Access | $14.99 | per month |
| Yearly Premium Access | $27.99 | per year |


## Frequently asked questions

### Is E4 Flex free?

E4 Flex is free to download, with no in-app purchases.

### Is The Clock free?

The Clock is free to download, with in-app purchases available.

### Which has better reviews, E4 Flex or The Clock?

E4 Flex is rated higher. E4 Flex averages 5.0 out of 5 from 1 ratings, while The Clock averages 3.0 from 1 ratings.

### Do E4 Flex or The Clock have ads?

Neither E4 Flex nor The Clock shows ads.

### Which is updated more often, E4 Flex or The Clock?

E4 Flex ships an update every 21 months, and The Clock monthly. Most recently, E4 Flex was updated on September 16, 2026 and The Clock on August 20, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*